[fedora-java] Java build systems stop requiring java-devel

[Christopher]

I've also seen cases where a package depended on a class from the build
system's jar at runtime (especially ant and maven), but the user has no
intention of using the build system to build anything... They just needed
to satisfy the runtime dependency. So, overall, I think this makes sense.

On Sun, Jul 12, 2015, 23:44 Mikolaj Izdebski <mizdebsk at redhat.com> wrote:

> On 07/13/2015 01:49 AM, Peter Larsen wrote:
> > On Jul 10, 2015 8:39 AM, "Mikolaj Izdebski" <mizdebsk at redhat.com> wrote:
> >>
> >> Java build systems (Ant, Maven, Gradle) used to require "java-devel"
> >> because their typical usages involves code compilation, which requires
> >> full JDK.
> >>
> >> In Fedora 23 I've just replaced hard requirement on "java-devel" with
> >> recommends.
> >
> > Why? Most builds require javac.
>
> That's exactly my point - *most*, but not all.
>
> > Unless you are only installing and not
> > building why would you not want the java-devel?
>
> Ant, Maven and Gradle are generic build systems. While they are
> typically used for building Java projects, they are certainly capable of
> more.
>
> Some examples:
> - Maven supports "toolkits", which allow you to compile project with
> third-party JDK; in this case Maven can be ran with pure JRE
> - Ant, Maven and Gradle can all be used to compile non-Java code (such as
> C)
> - I've seen Ant scripts used for application deployment, which don't
> compile anything, but download and copy files around
> - Maven can also be used for app deployment (for eg. wildfly:deploy)
> - I've seen Maven used for static website gerenation (convert Markdown
> to HTML, apply templates, fetch CSS and JavaScript resources from remote
> repos, assemble WAR file)
>
> and so on...
>
> --
> Mikolaj Izdebski
> Software Engineer, Red Hat
> IRC: mizdebsk
> --
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